Revert "Implement FullScreen using top layer."

third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp

Index: third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp
diff --git a/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp b/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp
index 09ebf6ddf19748ae088b7a73c7a7630213fe9b7f..bbd8b190102dee95fe5b8dca49eb9a134da2b8bc 100644
--- a/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp
+++ b/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.cpp
@@ -35,6 +35,7 @@
 #include "core/dom/PseudoElement.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/InsertionPoint.h"
+#include "core/layout/LayoutFullScreen.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutText.h"
 #include "core/layout/LayoutView.h"
@@ -135,6 +136,12 @@ void LayoutTreeBuilderForElement::createLayoutObject()
     m_node->setLayoutObject(newLayoutObject);
     newLayoutObject->setStyle(&style); // setStyle() can depend on layoutObject() already being set.
 
+    if (Fullscreen::isActiveFullScreenElement(*m_node)) {
+        newLayoutObject = LayoutFullScreen::wrapLayoutObject(newLayoutObject, parentLayoutObject, &m_node->document());
+        if (!newLayoutObject)
+            return;
+    }
+
     // Note: Adding newLayoutObject instead of layoutObject(). layoutObject() may be a child of newLayoutObject.
     parentLayoutObject->addChild(newLayoutObject, nextLayoutObject);
 }